Another thing to keeep in mind is that if you put the dialplan pattern command in once without no-reg it will still try and register with the gatekeeper unless you delete the dialplan-pattern and reload the router and then type the command in again.
That might be the trick, or a bug. I did reload the router, but with that command and it did not help. I will try it later when I have chance. Now since it is already in production, it is harder to do testing.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.